syncelement.java

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/**
 * @(#)$RCSfile: SyncElement.java,v $            $Revision: 1.3 $
 *
 * ====================================================================
 * Copyright 2001, Reaxion Corp.,
 * 11418 105th PL NE, Kirkland, WA, 98033, USA
 * All rights reserved.
 * ====================================================================
 *
 * The contents of this file are subject to the Mozilla Public
 * License Version 1.1 (the "License"); you may not use this file
 * except in compliance with the License. You may obtain a copy of
 * the License at http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * rights and limitations under the License.
 *
 * The Original Code is the Tequila SyncML.
 *
 * The Initial Developer of the Original Code is Reaxion Corp.
 * All Rights Reserved.
 */
package com.reaxion.tequila.syncml;

import com.reaxion.tequila.syncml.xml.IXMLNode;

/**
 * Parent class for each Sync<...> class.
 * <p>
 * <pre>
 * &lt;tagName&gt;...&lt;/tagName&gt;
 * </pre>
 *
 * @version   $1.0$
 * @author    Oleg A. Oksyuk
 */
public abstract class SyncElement
{

    public abstract Object getElData(int level);

    //Tag name
    private String name;
    //XML tag represenatation
    private IXMLNode node;

    public SyncElement(IXMLNode el)
    {
        node = el;
        name = node.getName();
    }
    public SyncElement(String pName)
    {
        name = pName;
    }
    public IXMLNode getNode()
    {
        return node;
    }

    public String getName()
    {
        return name;
    }

    public Object getElData()
    {
        return getElData(0);
    }

    public String toString()
    {
        return toString(0);
    }
    public String toString(int level)
    {
        Object data = getElData(level);
        if ((null == data) || (0 == data.toString().trim().length()))
        {
            if (this instanceof SyncEmptyElement)
            {
                StringBuffer res = getTabs(level);
                res.append("<");
                res.append(name);
                res.append("/>\r\n");
                return res.toString();
            }
            else
            {
                return "";
            }
        }
        return new String(addTags(getElData(level), name, level));
    }

    private static StringBuffer addTags(Object data, String tag,  int level)
    {
    	StringBuffer res = getTabs(level);
        res.append("<");
        res.append(tag);
        res.append(">\r\n");
        res.append(data);
        res.append(getTabs(level));
    res.append("</");
        res.append(tag);
        res.append(">\r\n");
		return res;
    }

    public static StringBuffer getTabs(int n)
    {
        StringBuffer res = new StringBuffer();
        for (int i = 0 ; i < n ; i++)
        {
            res.append("\t");
        }
        return res;
    }
}

/* -----------------------------------------------------------------------------
 * Change log:
 * -----------------------------------------------------------------------------
 * $Log: SyncElement.java,v $
 * Revision 1.3  2001/11/16 10:54:39  OlegO
 * no message
 *
 * Revision 1.2  2001/10/17 15:27:42  OlegO
 * changed comments for better javadoc
 *
 * Revision 1.1.1.1  2001/10/11 13:13:32  OlegO
 * no message
 *
 * Revision 1.1  2001/07/24 13:08:17  OlegO
 * no message
 *
 */